<template>
  <div style="font-size: 12px;line-height: 60px;display: flex">
    <div class="book" style="flex: 1;">
      <span :class="collapseBtnClass" style="cursor: pointer;font-size: 18px;padding-top:20px" @click="collapse"></span>
      <el-breadcrumb separator="/" style="display: inline-block;margin-left: 10px">
        <el-breadcrumb-item :to="'/'">首页</el-breadcrumb-item>
        <!-- <el-breadcrumb-item>{{ currentPathName }}</el-breadcrumb-item> -->
      </el-breadcrumb>
    </div>
    <el-dropdown style="width: 100px; cursor: pointer;text-align: right">
      <div style="display: inline-block">
        <!-- <img :src="user.avatarUrl" alt=""
             style="width: 30px; border-radius: 50%; position: relative; top: 10px; right: 5px"> -->
        <span>{{ user.userName }}</span><i class="el-icon-arrow-down" style="margin-left: 5px"></i>
      </div>
      <el-dropdown-menu slot="dropdown" style="width: 100px; text-align: center">
        <el-dropdown-item style="font-size: 14px; padding: 5px 0">
          <router-link to="/person">个人信息</router-link>
        </el-dropdown-item>
        <el-dropdown-item style="font-size: 14px; padding: 5px 0">
          <span style="text-decoration: none" @click="logout">退出</span>
        </el-dropdown-item>
      </el-dropdown-menu>
    </el-dropdown>
  </div>
</template>

<script>
export default {
  name: 'HeaderView',
  props: {
    collapseBtnClass: String
    // user: Object
  },
  computed: {
    currentPathName () {
      return this.$store.state.currentPathName// 需要监听的数据
    }
  },
  watch: { // 监听路由变化
    // '$route': function (){
    //   this.currentPathName = localStorage.getItem("currentPathName") //去除route里面设置的当前路由信息
    // }
    currentPathName (newVal, oldVal) {
      console.log(newVal)
    }
  },
  data () {
    return {
      user: JSON.parse(sessionStorage.getItem('user'))
    }
  },
  methods: {
    collapse () {
      // this.$parent.$parent.$parent.$parent.collapse()  // 通过4个 $parent 找到父组件，从而调用其折叠方法
      this.$emit('asideCollapse')
    },
    // logout () {
    //   sessionStorage.removeItem('user')
    //   this.$router.push('/')
    //   this.$message.success('退出成功')
    // }
    logout () {
      this.$confirm('确认退出?', '提示', {
        confirmButtonText: '确定',
        cancelButtonText: '取消',
        type: 'warning'
      }).then(() => {
        this.$message({
          type: 'success',
          message: '退出成功!'
        })
        this.$store.commit('REMOVE_INFO')
        this.$router.replace('/')
      }).catch(() => {
        this.$message({
          type: 'info',
          message: '已取消退出'
        })
      })
    }
  }
}
</script>

<style scoped>

</style>
